The PIC16C621A-04I/P is a powerful 8-bit microcontroller from Microchip Technology with a wide range of features. It has a 14-pin DIP packaging and operates at a maximum frequency of 4 MHz. This IC is equipped with 1 KB of program memory, 36 bytes of RAM, and 128 bytes of data EEPROM. The PIC16C621A-04I/P also includes a 8-bit timer/counter with prescaler and a versatile CCP module for PWM functionality. It has 12 I/O pins, including two I/O lines dedicated to the UART function. This microcontroller is particularly suitable for applications that require low power consumption and precise timing control. The PIC16C621A-04I/P is supported by a comprehensive set of development tools and software libraries that simplify the programming and debugging process. Overall, this IC offers a cost-effective solution for embedded control systems that require reliable performance and flexibility